On Sun, Apr 05, 2009 at 04:48:55PM -0400, Marcus D. Leech wrote:
> [Like you need suggestions :-) ]
>
> When setting the USRP word-length format, it would be useful to set the
> SHIFT and WIDTH parameters separately in the
> USRP objects (both single and dual).
>
> The valid values for WIDTH are {0,1}
> The valid values for SHIFT are {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15}
>
> I've been naively using width=8, shift=8, because my fuzzy memory left
> me with the impression that the only
> valid value for shift was 8. That no longer appears to be the case,
> and at least one of my radio astronomy
Marcus, in the code in the trunk, the shift value is currently
ignored. The the valid combinations of WIDTH and SHIFT are
{16,0} and {8, 8}.
See usrp/fpga/sdr_lib/rx_buffer.v for the FR_RX_FORMAT register.
Eric
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